asexual vs sexless

asexual and sexless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
asexual	No	Yes	No	No
sexless	No	Yes	No	No

asexual (adjective)	sexless (adjective)
not having or involving sex	sexually unattractive
	having no or imperfectly developed or nonfunctional sex organs
	having no sexual desire